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49 lines
1.1 KiB
49 lines
1.1 KiB
/* |
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MIT License http://www.opensource.org/licenses/mit-license.php |
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Author Ivan Kopeykin @vankop |
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*/ |
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"use strict"; |
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const WebpackError = require("./WebpackError"); |
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const CURRENT_METHOD_REGEXP = /at ([a-zA-Z0-9_.]*)/; |
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/** |
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* @param {string=} method method name |
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* @returns {string} message |
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*/ |
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function createMessage(method) { |
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return `Abstract method${method ? " " + method : ""}. Must be overridden.`; |
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} |
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/** |
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* @constructor |
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*/ |
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function Message() { |
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/** @type {string} */ |
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this.stack = undefined; |
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Error.captureStackTrace(this); |
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/** @type {RegExpMatchArray} */ |
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const match = this.stack.split("\n")[3].match(CURRENT_METHOD_REGEXP); |
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this.message = match && match[1] ? createMessage(match[1]) : createMessage(); |
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} |
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/** |
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* Error for abstract method |
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* @example |
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* class FooClass { |
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* abstractMethod() { |
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* throw new AbstractMethodError(); // error message: Abstract method FooClass.abstractMethod. Must be overridden. |
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* } |
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* } |
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* |
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*/ |
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class AbstractMethodError extends WebpackError { |
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constructor() { |
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super(new Message().message); |
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this.name = "AbstractMethodError"; |
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} |
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} |
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module.exports = AbstractMethodError;
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